[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 13.595302][ T1739] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 14.202683][ C0] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 53.072283][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 53.162493][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 53.282859][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 53.452352][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 53.461491][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 53.469501][ T95] usb 1-1: Product: syz [ 53.473670][ T95] usb 1-1: Manufacturer: syz [ 53.478262][ T95] usb 1-1: SerialNumber: syz [ 53.484558][ T95] usb 1-1: config 0 descriptor?? [ 53.533997][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 53.543342][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 53.792308][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 54.022320][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 54.030455][ T95] em28xx 1-1:0.0: board has no eeprom [ 54.142745][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 54.150934][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 54.157666][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 54.165788][ T95] usb 1-1: USB disconnect, device number 2 [ 54.175383][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 54.188847][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 54.195829][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 54.202788][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 54.209864][ T78] usb 1-1: Decoder not found [ 54.214531][ T78] em28xx 1-1:0.0: failed to create media graph [ 54.220740][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 54.228633][ T78] em28xx 1-1:0.0: Binding DVB extension [ 54.234283][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 54.242296][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 54.250589][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 54.259284][ T95] em28xx 1-1:0.0: Closing input extension [ 54.266941][ T95] em28xx 1-1:0.0: Freeing device [ 54.622223][ T95] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 54.712295][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 54.832809][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 55.002373][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 55.011444][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 55.019459][ T95] usb 1-1: Product: syz [ 55.024249][ T95] usb 1-1: Manufacturer: syz [ 55.028820][ T95] usb 1-1: SerialNumber: syz [ 55.034819][ T95] usb 1-1: config 0 descriptor?? [ 55.073662][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 55.082946][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 55.312419][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 55.532311][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 55.540324][ T95] em28xx 1-1:0.0: board has no eeprom [ 55.652744][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 55.660929][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 55.667237][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 55.675078][ T95] usb 1-1: USB disconnect, device number 3 [ 55.681469][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 55.696968][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 55.703852][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 55.710765][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 55.717373][ T78] usb 1-1: Decoder not found [ 55.722021][ T78] em28xx 1-1:0.0: failed to create media graph [ 55.728268][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 55.735316][ T78] em28xx 1-1:0.0: Binding DVB extension [ 55.740928][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 55.748582][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 55.757073][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 55.765614][ T95] em28xx 1-1:0.0: Closing input extension [ 55.772302][ T95] em28xx 1-1:0.0: Freeing device [ 56.122259][ T95] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 56.212322][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 56.332793][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 56.502348][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 56.511577][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 56.519727][ T95] usb 1-1: Product: syz [ 56.523925][ T95] usb 1-1: Manufacturer: syz [ 56.528513][ T95] usb 1-1: SerialNumber: syz [ 56.534377][ T95] usb 1-1: config 0 descriptor?? [ 56.573568][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 56.582869][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 56.812345][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 57.042302][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 57.050330][ T95] em28xx 1-1:0.0: board has no eeprom [ 57.162752][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 57.170941][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 57.177369][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 57.192378][ T95] usb 1-1: USB disconnect, device number 4 [ 57.198810][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 57.204454][ T78] em28xx 1-1:0.0: reading from i2c device at 0xb8 failed (error=-5) [ 57.216661][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 57.223791][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 57.230721][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 57.237147][ T78] usb 1-1: Decoder not found [ 57.241743][ T78] em28xx 1-1:0.0: failed to create media graph [ 57.247977][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 57.254974][ T78] em28xx 1-1:0.0: Binding DVB extension [ 57.260537][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 57.268916][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 57.277389][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 57.285925][ T95] em28xx 1-1:0.0: Closing input extension [ 57.292790][ T95] em28xx 1-1:0.0: Freeing device [ 57.642289][ T95] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 57.732337][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 57.852780][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 58.022319][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 58.031433][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 58.039454][ T95] usb 1-1: Product: syz [ 58.043637][ T95] usb 1-1: Manufacturer: syz [ 58.048217][ T95] usb 1-1: SerialNumber: syz [ 58.054643][ T95] usb 1-1: config 0 descriptor?? [ 58.093560][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 58.102914][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 58.332346][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 58.552292][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 58.560302][ T95] em28xx 1-1:0.0: board has no eeprom [ 58.672671][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 58.680887][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 58.687182][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 58.694617][ T95] usb 1-1: USB disconnect, device number 5 [ 58.701012][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 58.716435][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 58.723313][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 58.730232][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 58.736707][ T78] usb 1-1: Decoder not found [ 58.741406][ T78] em28xx 1-1:0.0: failed to create media graph [ 58.747638][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 58.754804][ T78] em28xx 1-1:0.0: Binding DVB extension [ 58.760796][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 58.768407][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 58.776812][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 58.785439][ T95] em28xx 1-1:0.0: Closing input extension [ 58.792081][ T95] em28xx 1-1:0.0: Freeing device [ 59.142256][ T95] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 59.232329][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 59.352748][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 59.522354][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 59.531407][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 59.539429][ T95] usb 1-1: Product: syz [ 59.543617][ T95] usb 1-1: Manufacturer: syz [ 59.548225][ T95] usb 1-1: SerialNumber: syz [ 59.554263][ T95] usb 1-1: config 0 descriptor?? [ 59.593787][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 59.603078][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 59.852260][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 60.082281][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 60.090326][ T95] em28xx 1-1:0.0: board has no eeprom [ 60.202675][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 60.210876][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 60.217208][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 60.224555][ T95] usb 1-1: USB disconnect, device number 6 [ 60.231063][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 60.246239][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 60.253163][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 60.260079][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 60.266577][ T78] usb 1-1: Decoder not found [ 60.271175][ T78] em28xx 1-1:0.0: failed to create media graph [ 60.277500][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 60.284598][ T78] em28xx 1-1:0.0: Binding DVB extension [ 60.290149][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 60.297733][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 60.306069][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 60.314787][ T95] em28xx 1-1:0.0: Closing input extension [ 60.321333][ T95] em28xx 1-1:0.0: Freeing device [ 60.672246][ T95] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 60.762330][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 60.882776][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 61.052343][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 61.061405][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 61.069427][ T95] usb 1-1: Product: syz [ 61.073700][ T95] usb 1-1: Manufacturer: syz [ 61.079546][ T95] usb 1-1: SerialNumber: syz [ 61.085442][ T95] usb 1-1: config 0 descriptor?? [ 61.133584][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 61.142897][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 61.372344][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 61.592289][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 61.600746][ T95] em28xx 1-1:0.0: board has no eeprom [ 61.712706][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 61.720902][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 61.727240][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 61.734805][ T95] usb 1-1: USB disconnect, device number 7 [ 61.741197][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 61.756784][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 61.763712][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 61.770900][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 61.777364][ T78] usb 1-1: Decoder not found [ 61.782003][ T78] em28xx 1-1:0.0: failed to create media graph [ 61.788230][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 61.795255][ T78] em28xx 1-1:0.0: Binding DVB extension [ 61.800811][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 61.808408][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 61.816823][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 61.825598][ T95] em28xx 1-1:0.0: Closing input extension [ 61.832221][ T95] em28xx 1-1:0.0: Freeing device [ 62.182254][ T95] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 62.272304][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 62.392784][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 62.562347][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 62.571407][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 62.579426][ T95] usb 1-1: Product: syz [ 62.583606][ T95] usb 1-1: Manufacturer: syz [ 62.588210][ T95] usb 1-1: SerialNumber: syz [ 62.594072][ T95] usb 1-1: config 0 descriptor?? [ 62.633549][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 62.642869][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 62.872356][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 63.092275][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 63.100316][ T95] em28xx 1-1:0.0: board has no eeprom [ 63.212690][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 63.220920][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 63.228447][ T95] usb 1-1: USB disconnect, device number 8 [ 63.234854][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 63.240362][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 63.254228][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 63.261148][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 63.268135][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 63.274476][ T78] usb 1-1: Decoder not found [ 63.279067][ T78] em28xx 1-1:0.0: failed to create media graph [ 63.285280][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 63.292489][ T78] em28xx 1-1:0.0: Binding DVB extension [ 63.298034][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 63.305703][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 63.313984][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 63.322446][ T95] em28xx 1-1:0.0: Closing input extension [ 63.329131][ T95] em28xx 1-1:0.0: Freeing device [ 63.682250][ T95] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 63.772314][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 63.892787][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 64.062324][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 64.071478][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 64.079517][ T95] usb 1-1: Product: syz [ 64.083695][ T95] usb 1-1: Manufacturer: syz [ 64.088265][ T95] usb 1-1: SerialNumber: syz [ 64.094031][ T95] usb 1-1: config 0 descriptor?? [ 64.133522][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 64.142787][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 64.372434][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 64.602301][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 64.610321][ T95] em28xx 1-1:0.0: board has no eeprom [ 64.722739][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 64.731011][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 64.738598][ T95] usb 1-1: USB disconnect, device number 9 [ 64.746772][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 64.752357][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 64.766080][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 64.772982][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 64.779909][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 64.786421][ T78] usb 1-1: Decoder not found [ 64.791020][ T78] em28xx 1-1:0.0: failed to create media graph [ 64.797415][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 64.804438][ T78] em28xx 1-1:0.0: Binding DVB extension [ 64.810034][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 64.817611][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 64.826039][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 64.834567][ T95] em28xx 1-1:0.0: Closing input extension [ 64.841142][ T95] em28xx 1-1:0.0: Freeing device [ 65.192249][ T95] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 65.282365][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 65.402775][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 65.572316][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 65.581378][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 65.589427][ T95] usb 1-1: Product: syz [ 65.593601][ T95] usb 1-1: Manufacturer: syz [ 65.598168][ T95] usb 1-1: SerialNumber: syz [ 65.603956][ T95] usb 1-1: config 0 descriptor?? [ 65.643581][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 65.652905][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 65.882401][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 66.102319][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 66.110348][ T95] em28xx 1-1:0.0: board has no eeprom [ 66.222707][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 66.230890][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 66.238433][ T95] usb 1-1: USB disconnect, device number 10 [ 66.244943][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 66.250454][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 66.264336][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 66.271206][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 66.278202][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 66.284477][ T78] usb 1-1: Decoder not found [ 66.289193][ T78] em28xx 1-1:0.0: failed to create media graph [ 66.295427][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 66.302856][ T78] em28xx 1-1:0.0: Binding DVB extension [ 66.308409][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 66.316019][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 66.324292][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 66.332759][ T95] em28xx 1-1:0.0: Closing input extension [ 66.339281][ T95] em28xx 1-1:0.0: Freeing device [ 66.692257][ T95] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 66.782326][ T95] usb 1-1: Using ep0 maxpacket: 32 [ 66.902784][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 67.072355][ T95] usb 1-1: New USB device found, idVendor=eb1a, idProduct=a316, bcdDevice=5c.26 [ 67.081407][ T95] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 67.089742][ T95] usb 1-1: Product: syz [ 67.094188][ T95] usb 1-1: Manufacturer: syz [ 67.098757][ T95] usb 1-1: SerialNumber: syz [ 67.104836][ T95] usb 1-1: config 0 descriptor?? [ 67.143603][ T95] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:a316, interface 0, class 0) [ 67.152866][ T95] em28xx 1-1:0.0: Video interface 0 found: executing program [ 67.392321][ T95] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 67.612329][ T95] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 67.620339][ T95] em28xx 1-1:0.0: board has no eeprom [ 67.732690][ T95] em28xx 1-1:0.0: Identified as Kworld PlusTV HD Hybrid 330 (card=57) [ 67.740889][ T95] em28xx 1-1:0.0: analog set to bulk mode. [ 67.747105][ T78] em28xx 1-1:0.0: Registering V4L2 extension [ 67.754487][ T95] usb 1-1: USB disconnect, device number 11 [ 67.768084][ T78] em28xx 1-1:0.0: reading from i2c device at 0xb8 failed (error=-19) [ 67.776607][ T95] em28xx 1-1:0.0: Disconnecting em28xx [ 67.786169][ T78] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 67.793111][ T78] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 67.800039][ T78] em28xx 1-1:0.0: No AC97 audio processor [ 67.806410][ T78] usb 1-1: Decoder not found [ 67.811016][ T78] em28xx 1-1:0.0: failed to create media graph [ 67.817292][ T78] em28xx 1-1:0.0: V4L2 device video0 deregistered [ 67.824482][ T78] em28xx 1-1:0.0: Binding DVB extension [ 67.824623][ T1865] ================================================================== [ 67.830043][ T78] em28xx 1-1:0.0: no endpoint for DVB mode and transfer type 0 [ 67.838127][ T1865] BUG: KASAN: use-after-free in v4l2_fh_init+0x279/0x2c0 [ 67.838137][ T1865] Read of size 8 at addr ffff8881cc198870 by task v4l_id/1865 [ 67.838140][ T1865] [ 67.838152][ T1865] CPU: 0 PID: 1865 Comm: v4l_id Not tainted 5.6.0-rc3-syzkaller #0 [ 67.838159][ T1865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.838163][ T1865] Call Trace: [ 67.838176][ T1865] dump_stack+0xef/0x16e [ 67.838187][ T1865] ? v4l2_fh_init+0x279/0x2c0 [ 67.838197][ T1865] ? v4l2_fh_init+0x279/0x2c0 [ 67.838213][ T1865] print_address_description.constprop.0.cold+0xd3/0x314 [ 67.838228][ T1865] ? v4l2_fh_init+0x279/0x2c0 [ 67.845771][ T78] em28xx 1-1:0.0: failed to pre-allocate USB transfer buffers for DVB. [ 67.852740][ T1865] ? v4l2_fh_init+0x279/0x2c0 [ 67.852753][ T1865] __kasan_report.cold+0x37/0x77 [ 67.852763][ T1865] ? v4l2_fh_init+0x279/0x2c0 [ 67.852781][ T1865] kasan_report+0xe/0x20 [ 67.860229][ T78] em28xx 1-1:0.0: Remote control support is not available for this card. [ 67.862523][ T1865] v4l2_fh_init+0x279/0x2c0 [ 67.862534][ T1865] v4l2_fh_open+0x88/0xc0 [ 67.862548][ T1865] em28xx_v4l2_open+0x11a/0x570 [ 67.862560][ T1865] v4l2_open+0x20f/0x3d0 [ 67.862576][ T1865] ? v4l2_release+0x390/0x390 [ 67.870493][ T95] em28xx 1-1:0.0: Closing input extension [ 67.880472][ T1865] chrdev_open+0x219/0x5c0 [ 67.880484][ T1865] ? cdev_put.part.0+0x50/0x50 [ 67.880499][ T1865] do_dentry_open+0x494/0x1120 [ 67.880508][ T1865] ? cdev_put.part.0+0x50/0x50 [ 67.880524][ T1865] ? chmod_common+0x3c0/0x3c0 [ 67.995485][ T1865] ? inode_permission+0xbe/0x3a0 [ 68.000406][ T1865] path_openat+0x1222/0x32a0 [ 68.005091][ T1865] ? path_mountpoint.isra.0+0x370/0x370 [ 68.010633][ T1865] ? __lock_acquire+0x145e/0x3b60 [ 68.015650][ T1865] do_filp_open+0x192/0x260 [ 68.020132][ T1865] ? may_open_dev+0xf0/0xf0 [ 68.024627][ T1865] ? __alloc_fd+0x46d/0x600 [ 68.029169][ T1865] ? do_raw_spin_lock+0x129/0x290 [ 68.034216][ T1865] ? _raw_spin_unlock+0x1a/0x30 [ 68.039078][ T1865] ? __alloc_fd+0x46d/0x600 [ 68.043564][ T1865] do_sys_openat2+0x54c/0x740 [ 68.048227][ T1865] ? file_open_root+0x3d0/0x3d0 [ 68.053059][ T1865] ? up_read+0x1ab/0x750 [ 68.057281][ T1865] do_sys_open+0xc3/0x140 [ 68.061752][ T1865] ? filp_open+0x70/0x70 [ 68.065988][ T1865] ? trace_hardirqs_off_caller+0x55/0x200 [ 68.071697][ T1865] do_syscall_64+0xb6/0x5a0 [ 68.077240][ T1865] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.083202][ T1865] RIP: 0033:0x7f7815b9f120 [ 68.087607][ T1865] Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 [ 68.107203][ T1865] RSP: 002b:00007ffe2e366718 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 68.115595][ T1865] RAX: ffffffffffffffda RBX: 00007ffe2e366878 RCX: 00007f7815b9f120 [ 68.123546][ T1865] RDX: 00007f7815e54138 RSI: 0000000000000000 RDI: 00007ffe2e367f1f [ 68.131494][ T1865] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 68.139481][ T1865] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 68.147448][ T1865] R13: 00007ffe2e366870 R14: 0000000000000000 R15: 0000000000000000 [ 68.155450][ T1865] [ 68.157811][ T1865] Allocated by task 78: [ 68.162000][ T1865] save_stack+0x1b/0x80 [ 68.166144][ T1865] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 68.171760][ T1865] em28xx_v4l2_init.cold+0x93/0x33eb [ 68.177023][ T1865] em28xx_init_extension+0x12f/0x1f0 [ 68.182296][ T1865] request_module_async+0x5d/0x70 [ 68.187296][ T1865] process_one_work+0x94b/0x1620 [ 68.192209][ T1865] worker_thread+0x96/0xe20 [ 68.196688][ T1865] kthread+0x318/0x420 [ 68.200733][ T1865] ret_from_fork+0x24/0x30 [ 68.205121][ T1865] [ 68.207424][ T1865] Freed by task 78: [ 68.211209][ T1865] save_stack+0x1b/0x80 [ 68.215364][ T1865] __kasan_slab_free+0x117/0x160 [ 68.220291][ T1865] kfree+0xd5/0x300 [ 68.224076][ T1865] em28xx_v4l2_init.cold+0x2d4/0x33eb [ 68.229429][ T1865] em28xx_init_extension+0x12f/0x1f0 [ 68.234694][ T1865] request_module_async+0x5d/0x70 [ 68.239693][ T1865] process_one_work+0x94b/0x1620 [ 68.244617][ T1865] worker_thread+0x96/0xe20 [ 68.249103][ T1865] kthread+0x318/0x420 [ 68.253147][ T1865] ret_from_fork+0x24/0x30 [ 68.257533][ T1865] [ 68.259840][ T1865] The buggy address belongs to the object at ffff8881cc198000 [ 68.259840][ T1865] which belongs to the cache kmalloc-8k of size 8192 [ 68.273865][ T1865] The buggy address is located 2160 bytes inside of [ 68.273865][ T1865] 8192-byte region [ffff8881cc198000, ffff8881cc19a000) [ 68.287281][ T1865] The buggy address belongs to the page: [ 68.292898][ T1865] page:ffffea0007306600 refcount:1 mapcount:0 mapping:ffff8881da00c500 index:0x0 compound_mapcount: 0 [ 68.303812][ T1865] flags: 0x200000000010200(slab|head) [ 68.309179][ T1865] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c500 [ 68.317764][ T1865] raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 [ 68.326338][ T1865] page dumped because: kasan: bad access detected [ 68.332732][ T1865] [ 68.335037][ T1865] Memory state around the buggy address: [ 68.340648][ T1865] ffff8881cc198700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 68.348690][ T1865] ffff8881cc198780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 68.356731][ T1865] >ffff8881cc198800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 68.364767][ T1865] ^ [ 68.372465][ T1865] ffff8881cc198880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 68.380501][ T1865] ffff8881cc198900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 68.388533][ T1865] ================================================================== [ 68.396693][ T1865] Disabling lock debugging due to kernel taint [ 68.402889][ T1865] Kernel panic - not syncing: panic_on_warn set ... [ 68.409476][ T1865] CPU: 0 PID: 1865 Comm: v4l_id Tainted: G B 5.6.0-rc3-syzkaller #0 [ 68.418814][ T1865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.428858][ T1865] Call Trace: [ 68.432170][ T1865] dump_stack+0xef/0x16e [ 68.436397][ T1865] panic+0x2aa/0x6e1 [ 68.440273][ T1865] ? add_taint.cold+0x16/0x16 [ 68.444928][ T1865] ? retint_kernel+0x10/0x10 [ 68.449538][ T1865] ? trace_hardirqs_on+0x55/0x200 [ 68.454594][ T1865] ? v4l2_fh_init+0x279/0x2c0 [ 68.459272][ T1865] end_report+0x43/0x49 [ 68.463408][ T1865] ? v4l2_fh_init+0x279/0x2c0 [ 68.468064][ T1865] __kasan_report.cold+0x55/0x77 [ 68.472982][ T1865] ? v4l2_fh_init+0x279/0x2c0 [ 68.477635][ T1865] kasan_report+0xe/0x20 [ 68.481897][ T1865] v4l2_fh_init+0x279/0x2c0 [ 68.486375][ T1865] v4l2_fh_open+0x88/0xc0 [ 68.490680][ T1865] em28xx_v4l2_open+0x11a/0x570 [ 68.495527][ T1865] v4l2_open+0x20f/0x3d0 [ 68.499789][ T1865] ? v4l2_release+0x390/0x390 [ 68.504455][ T1865] chrdev_open+0x219/0x5c0 [ 68.508861][ T1865] ? cdev_put.part.0+0x50/0x50 [ 68.513612][ T1865] do_dentry_open+0x494/0x1120 [ 68.518351][ T1865] ? cdev_put.part.0+0x50/0x50 [ 68.523158][ T1865] ? chmod_common+0x3c0/0x3c0 [ 68.527895][ T1865] ? inode_permission+0xbe/0x3a0 [ 68.532869][ T1865] path_openat+0x1222/0x32a0 [ 68.537441][ T1865] ? path_mountpoint.isra.0+0x370/0x370 [ 68.542964][ T1865] ? __lock_acquire+0x145e/0x3b60 [ 68.547966][ T1865] do_filp_open+0x192/0x260 [ 68.552452][ T1865] ? may_open_dev+0xf0/0xf0 [ 68.556953][ T1865] ? __alloc_fd+0x46d/0x600 [ 68.561442][ T1865] ? do_raw_spin_lock+0x129/0x290 [ 68.566448][ T1865] ? _raw_spin_unlock+0x1a/0x30 [ 68.571273][ T1865] ? __alloc_fd+0x46d/0x600 [ 68.575754][ T1865] do_sys_openat2+0x54c/0x740 [ 68.580455][ T1865] ? file_open_root+0x3d0/0x3d0 [ 68.585368][ T1865] ? up_read+0x1ab/0x750 [ 68.589586][ T1865] do_sys_open+0xc3/0x140 [ 68.593890][ T1865] ? filp_open+0x70/0x70 [ 68.598114][ T1865] ? trace_hardirqs_off_caller+0x55/0x200 [ 68.603818][ T1865] do_syscall_64+0xb6/0x5a0 [ 68.608308][ T1865] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.614177][ T1865] RIP: 0033:0x7f7815b9f120 [ 68.618609][ T1865] Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 [ 68.638195][ T1865] RSP: 002b:00007ffe2e366718 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 68.646619][ T1865] RAX: ffffffffffffffda RBX: 00007ffe2e366878 RCX: 00007f7815b9f120 [ 68.654619][ T1865] RDX: 00007f7815e54138 RSI: 0000000000000000 RDI: 00007ffe2e367f1f [ 68.662697][ T1865] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 68.670660][ T1865] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400884 [ 68.678622][ T1865] R13: 00007ffe2e366870 R14: 0000000000000000 R15: 0000000000000000 [ 68.687157][ T1865] Kernel Offset: disabled [ 68.691487][ T1865] Rebooting in 86400 seconds..